let playerAction = process.argv[process.argv.length - 1];
// 随机
let random = Math.random() *3
let computerAction = ''
if(random < 1){
     computerAction = '✌'
} else if(random >2){
     computerAction = '👊'
} else{
     computerAction = '🖐'
}

if(playerAction === computerAction){
    console.log('Peace');
} else if(playerAction == '✌' && computerAction == '👊' ||
    playerAction == '🖐' && computerAction == '✌' ||
    playerAction == '👊' && computerAction == '🖐'
){
    console.log('Bullshit');
} else{
    console.log("Lose isn't fun,that's why I never do it");
}